Cancer of the sinus, sphenoidal
Primary malignant neoplasm of sphenoidal sinus
Primary squamous cell carcinoma sphenoidal sinus
Squamous cell carcinoma, sphenoid sinus
C31.3 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2023 edition of ICD-10-CM C31.3 became effective on October 1, 2022.
This is the American ICD-10-CM version of C31.3 – other international versions of ICD-10 C31.3 may differ.